Bosch F.01U.278.516 用户手册
Relay Unit
Installation | en
17
Bosch Security Systems
User Manual
F.01U.278.516 | V1.0 | 2012.11
3.2.7
Setting the 100 Ohm termination jumper
Within the Main or Relay Units, the RS-485 interface can be configured with a jumper.
1.
Disassemble the unit as described in Section 6.5.1 Disassembling the unit, page 25.
2.
Remove the communication board as described in Section Removing the communication
3.
Put the 100 Ohm termination jumper J112 (1).
4.
Assemble the communication board and the unit. This is basically the reverse of the
disassembling procedure, see Section 6.5.1 Disassembling the unit, page 25.
1
NOTICE!
If you do not want to disassemble the Relay Unit, you also can short-out pins 3 and 4 of the
connector. This has the same effect as the jumper setting described above.
See Section A.5.3 RS-485 socket (unit rear), page 30 for connector wiring.